DjView4 is a portable DjVu viewer and browser plugin.

Highlights:
    * Entirely based on the public djvulibre api
    * Entirely written in portable Qt4
    * Works with Qt/X11, Qt/Mac, and Qt/Windows
    * Continuous scrolling of pages
    * Side-by-side display of pages
    * Ability to specify a url to the djview command
    * All plugin and cgi options available from the command line
    * All silly annotations implemented
    * Display thumbnails as a grid
    * Display outlines
    * Page names supported (see djvused command set-page-title)
    * Metadata dialog (see djvused command set-meta)
    * Implemented as reusable Qt widgets
